There seems to be some trouble a-brewin’ on the set of “The Martha Stewart Show.” Starr Report spywitnesses say Martha Stewart has clashed with co-executive producer Rob Dauber – who could be replaced by Tom Touchet, former executive producer of “Today.”

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Billy Bush claims he caused Eva Longoria to tumble down the stairs of her trailer on the set of “Desperate Housewives” last week, bruising some ribs. The “Access Hollywood” co-host blogs that he and Longoria were “chatting on a cell phone about a project we are working on together” when the line went dead on Longoria’s end. Later that night, Longoria called Bush “explaining that she fell off the top step of the trailer and may have fractured a rib (slightly) around her back.” The project on which Bush and Longoria were working involved “A little boy who has touched both of our hearts is losing a terrible health battle.” Bush and Longoria turned his house “into the North Pole so he can have Christmas before God calls him home,” he said.

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“Sopranos” star Tony Sirico has a good idea how he’d want his character, Paulie Walnuts, to die – if Paulie gets whacked in the final season of the HBO series.

“Big. It has to make Sonny on the causeway look small,” he says in November’s FHM magazine.

“You really have to massacre Paulie. He’s not dying of cancer, you can be — sure of that.”

* The Russian reporter who was murdered over the weekend after making a career of criticizing President Vladimir Putin turns out to be the main figure in an upcoming PBS special, “Democracy on Deadline,” set for next month.

* The hot new show on Baghdad TV: an Iraqi version of Jon Stewart’s “The Daily Show” (right) The host announced this week that U.S. troops were leaving “1/1” -only to discover he’d misread the statement. In fact, they were leaving “one by one.” A little Mideast humor.